![]() ![]() Series 40E Troubleshooting – Section 10.10 Sti Button - Flash Codes.Series 40E Troubleshooting – Section 10.11 Est Tool - Data List.Series 40E Troubleshooting – Section 10.12 ECM Voltage.Series 40E Troubleshooting – Section 10.13 Engine Cranking RPM.Series 40E Troubleshooting – Section 10.14 Injection Control Pressure.Series 40E Troubleshooting – Section 10.15 Low Injection Control Pressure Test. ![]() The valve in the radiator pressure cap unseats and allows the coolant to flow into the coolant recovery tank. It is essential that the cooling system is kept clean and leak-free, that the filler cap and pressure relief mechanisms are properly installed and operate correctly, and that the coolant level is properly maintained.Īs the engine temperature increases, the coolant and air in the system starts to expand and build pressure. "Series 60 Engine Air System, Fuel System, and Cooling System Parameters"Ī pressurized cooling system permits higher temperature operation than a non-pressurized system. Coolant recommendations for the Series 60 engine are listed in Table In addition, the heat absorbed by the oil is also removed by the engine coolant in the oil-to-water oil cooler. The function of the engine coolant is to absorb the heat developed as a result of the combustion process in the cylinders, from component parts such as the valves and pistons which are surrounded by water jackets. When the thermostats are completely open, all of the coolant flows to the radiator inlet. When the thermostat opening temperature is reached, coolant flow is divided between the radiator inlet and the bypass tube. Coolant is recirculated through the engine to aid engine warm-up. Upon starting a cold engine or when the coolant is below operating temperature, the closed thermostats direct coolant flow from the thermostat housing through the bypass tube to the water pump. ![]() The coolant then passes through a series of tubes where the coolant temperature is lowered by the airflow created by the revolving fan and the motion of the vehicle. When the engine is at normal operating temperature, the coolant passes from the cylinder block up through the cylinder head, through the thermostat housing and into the upper portion of the radiator. Coolant Flow Schematic for Vehicle Engines ![]()
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